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   1 /**
   2  * Copyright (c) 2010-2022 Contributors to the openHAB project
   3  *
   4  * See the NOTICE file(s) distributed with this work for additional
   5  * information.
   6  *
   7  * This program and the accompanying materials are made available under the
   8  * terms of the Eclipse Public License 2.0 which is available at
   9  * http://www.eclipse.org/legal/epl-2.0
  10  *
  11  * SPDX-License-Identifier: EPL-2.0
  12  */
  13 package org.openhab.binding.miele.internal.handler;
  14
  15 import static org.openhab.binding.miele.internal.MieleBindingConstants.*;
  16
  17 import org.eclipse.jdt.annotation.NonNullByDefault;
  18 import org.openhab.binding.miele.internal.api.dto.DeviceProperty;
  19 import org.openhab.binding.miele.internal.exceptions.MieleRpcException;
  20 import org.openhab.core.i18n.LocaleProvider;
  21 import org.openhab.core.i18n.TimeZoneProvider;
  22 import org.openhab.core.i18n.TranslationProvider;
  23 import org.openhab.core.library.types.OnOffType;
  24 import org.openhab.core.thing.ChannelUID;
  25 import org.openhab.core.thing.Thing;
  26 import org.openhab.core.types.Command;
  27 import org.openhab.core.types.RefreshType;
  28 import org.openhab.core.types.State;
  29 import org.slf4j.Logger;
  30 import org.slf4j.LoggerFactory;
  31
  32 import com.google.gson.JsonElement;
  33
  34 /**
  35  * The {@link FridgeHandler} is responsible for handling commands,
  36  * which are sent to one of the channels
  37  *
  38  * @author Karel Goderis - Initial contribution
  39  * @author Martin Lepsy - fixed handling of empty JSON results
  40  * @author Jacob Laursen - Fixed multicast and protocol support (ZigBee/LAN)
  41  */
  42 @NonNullByDefault
  43 public class FridgeHandler extends MieleApplianceHandler<FridgeChannelSelector> {
  44
  45     private final Logger logger = LoggerFactory.getLogger(FridgeHandler.class);
  46
  47     public FridgeHandler(Thing thing, TranslationProvider i18nProvider, LocaleProvider localeProvider,
  48             TimeZoneProvider timeZoneProvider) {
  49         super(thing, i18nProvider, localeProvider, timeZoneProvider, FridgeChannelSelector.class,
  50                 MIELE_DEVICE_CLASS_FRIDGE);
  51     }
  52
  53     @Override
  54     public void handleCommand(ChannelUID channelUID, Command command) {
  55         super.handleCommand(channelUID, command);
  56
  57         String channelID = channelUID.getId();
  58         String applianceId = this.applianceId;
  59         if (applianceId == null) {
  60             logger.warn("Command '{}' failed, appliance id is unknown", command);
  61             return;
  62         }
  63
  64         FridgeChannelSelector selector = (FridgeChannelSelector) getValueSelectorFromChannelID(channelID);
  65         JsonElement result = null;
  66
  67         try {
  68             MieleBridgeHandler bridgeHandler = getMieleBridgeHandler();
  69             if (bridgeHandler == null) {
  70                 logger.warn("Command '{}' failed, missing bridge handler", command);
  71                 return;
  72             }
  73             switch (selector) {
  74                 case SUPERCOOL: {
  75                     if (command.equals(OnOffType.ON)) {
  76                         result = bridgeHandler.invokeOperation(applianceId, modelID, "startSuperCooling");
  77                     } else if (command.equals(OnOffType.OFF)) {
  78                         result = bridgeHandler.invokeOperation(applianceId, modelID, "stopSuperCooling");
  79                     }
  80                     break;
  81                 }
  82                 case START: {
  83                     if (command.equals(OnOffType.ON)) {
  84                         result = bridgeHandler.invokeOperation(applianceId, modelID, "start");
  85                     }
  86                     break;
  87                 }
  88                 default: {
  89                     if (!(command instanceof RefreshType)) {
  90                         logger.debug("{} is a read-only channel that does not accept commands",
  91                                 selector.getChannelID());
  92                     }
  93                 }
  94             }
  95             // process result
  96             if (result != null && isResultProcessable(result)) {
  97                 logger.debug("Result of operation is {}", result.getAsString());
  98             }
  99         } catch (IllegalArgumentException e) {
 100             logger.warn(
 101                     "An error occurred while trying to set the read-only variable associated with channel '{}' to '{}'",
 102                     channelID, command.toString());
 103         } catch (MieleRpcException e) {
 104             Throwable cause = e.getCause();
 105             if (cause == null) {
 106                 logger.warn("An error occurred while trying to invoke operation: {}", e.getMessage());
 107             } else {
 108                 logger.warn("An error occurred while trying to invoke operation: {} -> {}", e.getMessage(),
 109                         cause.getMessage());
 110             }
 111         }
 112     }
 113
 114     @Override
 115     public void onAppliancePropertyChanged(DeviceProperty dp) {
 116         super.onAppliancePropertyChanged(dp);
 117
 118         if (!STATE_PROPERTY_NAME.equals(dp.Name)) {
 119             return;
 120         }
 121
 122         // Supercool is not exposed directly as property, but can be deduced from state.
 123         ChannelUID channelUid = new ChannelUID(getThing().getUID(), SUPERCOOL_CHANNEL_ID);
 124         State state = dp.Value.equals(String.valueOf(STATE_SUPER_COOLING)) ? OnOffType.ON : OnOffType.OFF;
 125         logger.trace("Update state of {} to {} through '{}'", channelUid, state, dp.Name);
 126         updateState(channelUid, state);
 127     }
 128 }